Luster (shine) is the property of netal certain metal articles become dull and lose their shine why? Give reason
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metals lose their lustre and are tourist with the time it is because of the corrosion corrosion is actually the natural degradation of metals due to their interaction with the outer environment
Sampriti395:
METALS WHEN EXPOSED TO AIR AND MOISTURE LOSE THEIR LUSTRE DUE TO THE FORMATION OF COMPOUNDS .FOR EXAMPLE:WHEN COPPER IS EXPOSED TO SUCH ENVIRONMENTAL CONDITION , IT slowly acquires a dull green coating.
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This is due to the exposure to gases, moisture and chemicals present in the surroundings.
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